forked from lijiext/lammps
39 lines
862 B
C++
39 lines
862 B
C++
#ifndef WEAK_EQUATION_CHARGE_DIFFUSION_H
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#define WEAK_EQUATION_CHARGE_DIFFUSION_H
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#include "WeakEquation.h"
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namespace ATC{
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/**
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* @class WeakEquationChargeDiffusion
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* @brief Charge density computation
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* int M q = sum_s N q_s
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*/
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class WeakEquationChargeDiffusion : public WeakEquation {
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public:
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// constructor
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WeakEquationChargeDiffusion();
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// destructor
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virtual ~WeakEquationChargeDiffusion();
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/** density that used to form the mass matrix */
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virtual bool has_M_integrand(void) const {return true;}
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virtual void M_integrand(const FIELD_MATS &fields,
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const Material * material,
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DENS_MAT &density ) const ;
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/** necessary interfaces */
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virtual set<string> needs_material_functions(void) const
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{
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set<string> needs;
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return needs;
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}
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};
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};
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#endif
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